<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <link rel="stylesheet" href="./styles/index.css" />
  <title>Document</title>
</head>

<body>
  <!-- <div id="app" class="score-case">
    <div class="table">
      <table>
        <thead>
          <tr>
            <th>编号</th>
            <th>科目</th>
            <th>成绩</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>

        </tbody>
        <tbody>
          <tr>
            <td colspan="5">
              <span class="none">暂无数据</span>
            </td>
          </tr>
        </tbody>

        <tfoot>
          <tr>
            <td colspan="5">
              <span>总分：246</span>
              <span style="margin-left: 50px">平均分：79</span>
            </td>
          </tr>
        </tfoot>
      </table>
    </div>

  </div> -->


  <script>
    // 核心数据
    const data = [
      { subject: '语文', score: 46 },
      { subject: '数学', score: 80 },
      { subject: '英语', score: 100 },
    ]
    let tr = ''
    let total = 0 // 计算总分
    for (let i = 0; i < data.length; i++) {
      tr += `
        <tr>
            <td>${i + 1}</td>
            <td>${data[i].subject}</td>
            <td>${data[i].score}</td>
            <td><a href="#">删除</a></td>
        </tr>
      `
      total += data[i].score
    }
    document.write(`
    <div id="app" class="score-case">
      <div class="table">
        <table>
          <thead>
            <tr>
              <th>编号</th>
              <th>科目</th>
              <th>成绩</th>
              <th>操作</th>
            </tr>
          </thead>
          <tbody>
            ${tr}
          </tbody>
          <tbody>
            <tr>
              <td colspan="5">
                <span class="none">暂无数据</span>
              </td>
            </tr>
          </tbody>

          <tfoot>
            <tr>
              <td colspan="5">
                <span>总分：${total}</span>
                <span style="margin-left: 50px">平均分：${total / data.length}</span>
              </td>
            </tr>
          </tfoot>
        </table>
      </div>

    </div>
    `)
  </script>
</body>

</html>